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Table 1
Parameters of the dwarf disc galaxy models.
| Equal mass ratio | 4-to-1 mass ratio | ||||
| Symbol | Infalling & Target | Infalling | Target | Description | |
|
|
|||||
| Disc | Nd | 500 000 | 500 000 | 500 000 | number of disc particles |
| Md | 8.0 × 109 M⊙ | 4.0 × 109 M⊙ | 16.0 × 109 M⊙ | disc mass | |
| Rd | 1.60 kpc | 1.15 kpc | 2.25 kpc | disc scale length | |
|
8.00 kpc | 5.75 kpc | 11.25 kpc | maximum disc radius | |
| R⊙ | 6.00 kpc | 4.30 kpc | 8.40 kpc | solar radius | |
| Q⊙ | 1.70 | 1.70 | 1.70 | Toomre Q at R⊙ | |
| z0 | 0.25 kpc | 0.20 kpc | 0.35 kpc | disc scale height | |
| zmax | 2.50 kpc | 2.00 kpc | 3.50 kpc | maximum particle height | |
| Halo | NH | 1 000 000 | 1 000 000 | 1 000 000 | number of halo particles |
| MH | 8.0 × 1010 M⊙ | 4.0 × 1010 M⊙ | 16.0 × 1010 M⊙ | halo mass | |
| a | 10.0 kpc | 6.9 kpc | 12.4 kpc | halo core radius | |
|
100.0 kpc | 100.0 kpc | 150.0 kpc | maximum halo radius | |
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